qonun
Nasosning o'xshashlik nazariyasini qo'llash
1. Shunga o'xshash qonun turli tezlikda ishlaydigan bir xil van pompasiga qo'llanilganda, uni olish mumkin:
• Q1 / Q2 = N1 / N2
• H1 / H2 = (N1 / N2) 2
• p1 / p2 = (N1 / N2) 3
• NPSH1 / NPSH2 = (N1 / N2) 2
Misol:
Mavjud nasos, model slw50-200b - bizga 50 Gts dan 60 Gts gacha bo'lgan SLW50-200B o'zgarishi kerak.
(2960 RPM dan 3552 RPM gacha)
50 Gtsda, pervanıtki 165 mm va 36 metrning tashqi diametri bor.
H60hz / h50hz = (n60hz / n50hz) ² = (3552/2960) 2 = (1.2) ² = 1.44
60 Hz, H60Hz = 36 × 1.44 = 51,84m.
Ushbu turdagi nasosning boshi 60 soat tezlikda 52 millionga etgan bo'lishi kerak.
Post vaqti: yanvar-04-2024